Abstract

A new record species of Zeuxine Lindley (Orchidaceae), Z. philippinenses Ames, from Lanyu, Taiwan is described and illustated. It is mainly characterized in the triangular-lanceolate leaves which are green but white with dark green reticulation along the midrib and more or less truncate at base; the flowers are erect on the rachis and half-opened; the lip is tripartite, glabrous, more or less urceolate in side view; the hypochile is saccate, ovoid and big while the epichile is relatively tiny, reflexed, undivided and transversely oblong or subreniform.

中文摘要

本文記述產自台灣蘭嶼之蘭科植物新記錄種「菲律賓線柱蘭」之學名、型態特徵、生育環境、產地、花期之鑑別及標本。本種之主要特徵為：葉呈三角狀披針形，葉面綠色，沿中肋有白色斑塊，葉基多少呈截形；花直立於花軸，半張；唇瓣呈三段裂，平滑無毛，側視時多少呈壺型；基段片囊狀，卵形，巨大，先段片相對微小、反捲，不再細裂而呈橫向橢圓形。

Keyword: Orchidaceae, Zeuxine philippinenses, Morphology, Taxonomy, Taiwan